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OPERATING CONDITIONSDIST. AUTORIZADO®MEX (55) 53 63 23 31QRO (442) 1 95 72 60MTY (81) 83 54 10 18ventas@industrialmagza.com1. Line Voltage Variation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .± 10% of rated2. Line Frequency Variation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .± 2 Hz3. Ambient Temperature (*) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0ºC to 40ºC (32ºF to 104ºF)4. Altitude (standard) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3300 feet (1000 meters) maximum* 55ºC (131ºF) maximum in enclosed areas where RB1, RB2 or RB3 open chassis units are mounted.PERFORMANCE CHARACTERISTICS1. Controlled Speed Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0 to motor base speed2. Speed Regulation (See Table 4) - Regulation percentages are of motor base speed understeady-state conditions3. Efficiency (at maximum speed)a. Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99%b. Controller with motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85%4. Displacement Power Factor (Rated Speed/Rated Load) . . . . . . . . . . . . . . . . . . . . . . . . . . . .87%5. Acceleration (non-adjustable) . . . . . . . . . . . . . . . . . . . . .By fixed ramp with current limit override6. Current Limit (non-adjustable) . . . . . . . . . . . . . . . . . . . . . . . . . . . .150% full-load torque (typical)Table 4. Speed Regulation CharacteristicsVariableLoad Line Field Temperature SpeedRegulation Method Change Voltage Heating (1) ± 10ºC Range95% ± 10% Cold/NormalStandard VoltageFeedback with IR 2% ± 1% 5-12% ± 2% 50:1CompensationOptional Speed (Tach) 0.5% ± 1% 0.2% ± 2% 100:1Feedback (2)(1) Does not apply to Permanent-Magnet Motors(2) Unidirectional Models Only6 Doc. No. <strong>19025</strong> • Boston Gear ® Ratiotrol ® DC Motor Speed Control
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